*** This bug is a duplicate of bug 1870637 ***
https://bugs.launchpad.net/bugs/1870637
Let's use bug 1870637. This is looking too familiar.
** This bug has been marked a duplicate of bug 1870637
Nvidia+modeset: Can't set 4K@60Hz: HDMI max TMDS frequency 30KHz
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Possibly related: bug 1870637
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https://bugs.launchpad.net/bugs/1870740
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Is something really crashing or just nothing is appearing on screen?
I can see two problems here:
1. You have the Nvidia driver installed but Xorg is not using it; and
2. It sounds like some modes are out of range:
[64.220] (--) modeset(0): HDMI max TMDS frequency 30KHz
[64.220]
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It sounds like some part of the system has crashed. To
help us find the cause of the crash please follow these steps:
1. Look in /var/crash for crash files and if found run:
ubuntu-bug YOURFILE.crash
Then tell
